loader.GRBActualLoader

be.grb.loader.GRBActualLoader(grb_type, aligner, partition=1000)

Loader for the most recent version of GRB (Grootschalig Referentie Bestand).

This loader fetches live thematic reference data (such as buildings, parcels, or road edges) based on the spatial extent of the thematic data currently held by the aligner.

Parameters

Name	Type	Description	Default
grb_type	GRBType	The specific type of GRB data to load (e.g., ADP, Gebouw).	required
aligner	Any	The aligner object providing the spatial context, logger, and CRS.	required
partition	int	Number of features per request to handle large datasets, by default 1000.	1000

Attributes

Name	Type	Description
aligner	Any	Reference to the parent aligner.
grb_type	GRBType	The requested GRB layer type.
part	int	The partitioning size for downloads.
versiondate_info	dict	Information about the versioning metadata format.

Methods

Name	Description
load_data	Download and process the actual GRB data from the web service.

load_data

be.grb.loader.GRBActualLoader.load_data()

Download and process the actual GRB data from the web service.

Calculates a search buffer around the union of thematic geometries to ensure all relevant reference features are captured.

Returns

Name	Type	Description
	Any	The processed FeatureCollection from the parent GeoJsonLoader.

Raises

Name	Type	Description
	ValueError	If thematic data has not been loaded into the aligner prior to calling this method.